package com.ruijie.mvc.controller;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.security.web.authentication.logout.SecurityContextLogoutHandler;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;

@Controller
public class HelloWorldController {
	@RequestMapping("/")
    public String index() {
        return "index";
    }

    @RequestMapping("/hello")
    public String hello() {
        return "hello";
    }

    @RequestMapping(value = "/login", method = RequestMethod.GET)
    public String login() {
        return "login";
    }
    
    @RequestMapping(value="/logout", method = RequestMethod.POST)  
    public String logoutPage (HttpServletRequest request, HttpServletResponse response) {  
        Authentication auth = SecurityContextHolder.getContext().getAuthentication();  
        if (auth != null){      
            new SecurityContextLogoutHandler().logout(request, response, auth);  
        }  
        return "redirect:/";  
    }  
}
